Olives: Jar Opening, Olive-Bar and Brand Storage
Refrigerate opened olives and follow the product label. FoodKeeper gives olive-bar olives two weeks from purchase and packaged black or green olives two weeks after opening, both refrigerated quality guides. Mezzetta recommends continuous refrigeration and utensils, with three months after opening for best quality except Italian Castelvetrano, which has a one-month opening guide.
Quick answer
FoodKeeper lists 12–18 months in the pantry from purchase for commercial black/green olives quality. Use this only for products whose own label permits pantry storage; keep refrigerated products cold.
FoodKeeper counts from purchase but does not specify whether the container is unopened. Follow the label’s storage instructions and date; repacking does not start a fresh period.
FoodKeeper gives two weeks in the refrigerator after opening for commercial black/green olives quality. Actual product instructions can differ.
Count from opening for packaged olives. This guide does not cover home curing or fresh cheese or meat fillings.
FoodKeeper gives olive-bar olives two weeks refrigerated from purchase as a quality guide.
Count from purchase. Opening a takeaway tub or repacking does not restart the period. Mixed antipasti and perishable stuffed products need the seller’s instructions.
Mezzetta recommends keeping its opened olives refrigerated, using utensils and consuming within three months after opening for best quality, except for its Italian Castelvetrano olives.
Count from opening for these Mezzetta products. Follow the exact package; this advice does not apply to olive-bar or home-cured olives.
Mezzetta’s explicit exception is to refrigerate opened Italian Castelvetrano olives and consume within one month after opening for best quality; use utensils.
Use the one-month opening instruction for Mezzetta Italian Castelvetrano olives, rather than the maker’s general three-month olive advice.
Why guidance varies
This guide covers prepared edible table olives. Commercial shelf-stable containers, refrigerated packs, olive-bar purchases and home-cured olives need different instructions. Olive oil is a different food; fresh cheese or meat fillings and mixed antipasti do not inherit plain-olive periods.
Match the product state, storage conditions and source clock above. This guide does not provide an automatic expiry timer.
Frequently asked questions
Does opening an olive-bar container restart the period?
No. FoodKeeper counts its olive-bar refrigerator guide from purchase. Its separate after-opening guide belongs to packaged commercial black or green olives.
Can I use these periods for home-cured or stuffed olives?
This guide gives no general keeping period for home curing, home canning, mixed antipasti or olives with fresh cheese or meat fillings. Use the complete UC safe-pickling method for home preservation and the product or seller’s instructions for perishable prepared olives.
Can olive-bar olives be frozen?
FoodKeeper recommends against freezing olive-bar olives. That does not mean every olive product must avoid freezing, and it gives no freezer keeping period for other olive products.
Sources for this answer
- A FoodSafety.gov / USDA FSIS, Cornell University and Food Marketing Institute — FoodKeeper English product data — Commercial black or green olives: 12–18 pantry months from purchase where the label permits pantry storage, or two refrigerator weeks after opening. Olive-bar olives: two refrigerator weeks from purchase, with freezing discouraged. These are separate quality guides.
- A FoodSafety.gov — FoodKeeper App — FoodKeeper describes its purpose as helping maintain food freshness and quality.
- A FoodSafety.gov — Cold Food Storage Chart — FoodSafety.gov’s general cold-storage guidance is 40°F or below refrigerated and 0°F or below frozen; it does not create an olive-specific freezer period.
- B Mezzetta — Frequently Asked Questions — Mezzetta recommends continuous refrigeration and utensils after opening, with three months for best quality except Italian Castelvetrano olives, which have a one-month opening recommendation.
- A University of California Agriculture and Natural Resources — Olives: Safe Methods for Home Pickling, ANR 8267 — UC’s complete safe home-pickling methods distinguish curing and preservation conditions; commercial olive periods do not validate a home-curing or canning process.